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fire

Research has shown that grazing has had a substantial impact on the composition, structure and condition of all the major vegetation types eaten by livestock, on virtually all of the Bogong High Plains. We don't need any more research in the Australian Alps on cattle grazing.

Helga Vierich writes that Fire has long played a part in the ecology of the Kalahari Desert of Southern Africa. Among the Kua of the south-central Kalahari the power of natural and man-made fires is well understood. These hunter-gatherers use fire to control ticks, increase plant fruit yields, alter the species composition of wild plant communities, influence the movement of game, and to attract specific animals into snares and traps.